Method of making equalizers



oct. 26,1926." I 1,604,439

L. L. WHlTNEY METHOD OF MAKING EQUALIZERS Filed May flS. 1925 2 sheets-sheet `1 JQ@ 3? f7.9.

@QM/@M @MM/W om.l 26 192s.

L. l.. 'WHITNEY METHOD OF MAKING EQUALIZERS y 2 Sheets-Sheet 2 Filed May 13 1925 20m/z Z.

Patented @et 26, i926.

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LOREN L. WHITNEY, F HAMMOND, INDANA, ASSIGNOR TO AMEIBIICAN STEEL-FOUND- RIES, OF GHICAG,

ILLNOIS, A CRPORATION OF NEW" JERSEY.

`METHOD 0F MAKING: EQUALIZERS.

VAgiplication filed May 13, 1925.

This invention relates to a method for making an equalizer, and more particularly what is known as a horizontal equalizer body used in clasp brake equipment.

@ne object ot the invention is to provide a simple, reliable and efficient method tor making an equalizer whereby the number of steps is reduced and simplified.

Another object is to provide a simple and efiicient method for forming the jaws at the ends of a. horizontal body equalizer used in clasp brake equipment.

Another object is to provide a method tor forming a horizontal equalizer used in clasp brake equipment and adapted to meet all et the requirements in forging operations.

rihese and other objects are accomplished by means of the method disclosed on the accompanying sheets oit' drawings, in which- Figs. 1, 2 and 3 are respectively top, side and end views ot a blank out of which the equalizer is made;

Figs. 4, 5 and 6 are respectively top, side and end views of one end of the blank after it has been drawn out by the use et hammer dies, as shown in Figs. 19 and 20;

Figs. 7, 8 and 9 are respectively top, side and end views ot the same end of the blank after it has been subjected to an upsetting action in the forging machine dies shown in Figs. 21 and 22, it being` understood that during this operation the blank was located `in the lower portion ot the dies shown in said figures and the plunger' shown in Fig. 24 was used;

Figs. 10, 11 and 12 are respectively top, side and end views of the same end et the blank after excess niaterial has been withdrawn from the drawn-out end;

Figs. 19, 14 and 15 are respectively top, side and end views of the same end of the blank after the drawn end of said blank has been bent up against the mandrel shown in Fig. 25 when the latter is placed in position in the upper part of dies shown in Figs. 21 and 22 and the plunger 23 is used;

Figs. 16, 17 and 18 are respectively top, side and end views of a completed horizontal body equalizer;

Figs. 19 and 2O are end and side views respectively of the hammer dies referred to in connection with Figs. 4, 5 and 6;

Figs. 21 and 22 are perspective views of the stationary forging machine dies referred Serial'No. 29,872.

portion ot the blank to form and locate the second of the two cooperating jaws;

Fig. 24 is a. perspective view of the plunger used in the upsetting step in forming the first jaw, as shown in Figs. 7, 8 and 9, and

Fig. 25 is a perspective view ot the mandrel which acts as a spacer and against which the second jaw is pressed in the formation and location of said second jaw.

ln following out the method, it will be understood that the metal blank or bar 30 shown in Figs. 1, 2 and 3 is first heated. 'llhen one end of this blank 30 is subjected to a. drawing-out processbetween the hammer dies 31 shown in Figs. 19 and 20. To give the blank the form shown inFigs. 4, 5 and 6, in which it will be noted that the end ot the blank is drawn out to form a horizontal projection 32 which is widened somewhat as shown in Fig. 6. An inclined shoulder 33 is roughly formed to which the top and bot-tomportions 34 and 35 taper, as shown in Fig. 5, a tapered shoulder 36 also being formed. During this step to form the blank as shown in Figs. 4, 5 and 6, the blank is subjected to three passes in the hammer die, the first pass bringing into operation th-e die portion 3? having a relatively long taper, as shown in Figs. 19 and 20. Baring the second pass the die portion 38 is brought into action, which has a steeper inclined portion. In the third hammer operation a straight horizontal portion 39 of the lower hammer dies is brought into action tor gradually, in the three steps, giving the blank the shape shown in Figs. 4, 5 and 6.

fitter this step is over7 the forging dies 40 are used. The blank, as shown in Figs. 4, 5 and 6, is placed in the lower die opening 41, so that the inclined shoulder 36 of the blank rests shoulder 36 in the die7 and with the die members 40 in their closed cooperating position. the plunger 42 (shown in Fig. 24) is passed through the opening 41 for upsetting that portion et the blank indicated by the roughly-formed inclined shoulder 33, which may be considered a part of the drawn-out end of the blank. As a result of this step in the operation a straight, relativeagainst the corresponding ly widened jaw 43 is provided, as shown in Figs. 7, 8 and 9, and the horizontal portion 32 is more accurately defined, the jaw being formed at right angles to the portion 32.

On account or diliiculty in gauging stock sufiiciently accurately in the hammer operation to exactly till the forging machine dies, it becomes necessary, where there is an ei:- cess ot metal, to remove same. Such excess metal is shown in a downwardly-extending projection 44, in Figs. 7, 8 and 9. This eX- cess is then removed, preferably by shearing, thereby leaving the blank in the torni shown in F igs. 10, 11 and 12. The blank, as shown in Figs. 10, 11 and 12, is then placed in the upper openings 45 of the dies 40 so that the shoulder 3G engages the shoulder 36 or the die and so that the back of the jaw 43 rests against the shoulders 46 of said dies. rlhen the mandrel 47, shown in Fig. 25, is placed in the. recesses 48 in said dies 40 as the latter are pressed to closed position, whereupon the plunger 49, shown in Fig. 23, is pressed inwardly in the die opening 45, and by means of the pointed edge 50 the end 82 of the blank is bent up, whereupon the blunt end ol the plunger 49 presses the drawn end 39. ot the blank inwardly up against the mandrel 47, which acts as a spacer, and whereby the second jaw is formed and located. Said second jaw is shown at 51 in Figs. 13, 14 and 15, The other end ot the blank is treated in exactly the same way to produce the completed equalizer as shown in Figs. 16, 17 and 1S.

I claim:

1. A method for making an equalizer which consists in providing a blank, drawing out a portion ot said blank, subjecting` said portion to pressure t'or upsetting` some oit it to form one of two cooperating jaws, then placing,- a mandrel adjacent said jaw to act as a spacer, and then bending the remaining` portion ot said drawn part up against said mandrel to locate the other ot said coopeinting` ws.

2. A method JIor making an equalizer which consists in providin a blank, drawing out an end ot the blank, subjecting said drawn end to pressure tor upsetting` a portion. of it to form one oii-two cooperatingjaws, withdrawing excess metal from the drawn end, then placing a mandrel adjacent said aw to act as a spacer, and then bending' the remaining` portion of said drawn end up against said mandrel to form and locate tho other of said cooperating jaws.

3. A method for making an equalizer which consists in providing a blank, drawingout an end of the blank by the use or' haini'ner dies, subjecting said drawn end eto pressure in a forging machine for upsetting a portion ot it to term one ol two cooperating' jaws, then placing a mandrel adjacent aid jaw to act as spacer, and then bending the remaining portion of said drawn end up against said mandrel to form and locate the other or said cooperating jaws.

4. method for making an equalizer which consists in providingr a blank, drawing out an end ot the blank with hammer dies, subjecting said drawn end to pressure in a achine Alor upsetting; a portion ot one oi" two cooperating jaws, re'- ,ess metal from the drawn end, then placing` a mandrel adjacent said jaw to act as a spacer, and then bending`r the reinaininn' portion or' said drawn end up et mandrel to provide and lothe other of said cooperating aws.

.d method for making,` an equalizer which consists in providing a blank, drawing out an end ot the blank by the use ot hainnier dies, subject' said4 drawn end to pressure in a liorging' machine tor upsetting said blank to 'form one ot two cooperating' K' ws, then placing a mandrel adjacent said aw to act as a spacer, and then subjecting` the rcmainingij pci-tion et said drawn end to pressure in a it firing machine to inove said end up against said mandrel to provide and locate the other oit said cooperating jaws.

6. ri. method for making an equali' which consists in prcfviding;` a blank, di' ingg out au end ot the blank, subjectiaesaid blank to ijessnre 't ioianingl one ot two coeperati..j jaws ar.j..cent the inner end portion oi:

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`iid drawr out end, then placing a mandrel adjacent said jaw to act as a spacer. and then bending; aid drawn end up agrainst said niandrel to torni and locate the other ot said cooperating; jaws.

Signed at Hammond, indiana, this 8th day ot May, 1925.

LOBEN L. lWHITNEY. 

